Perhaps you should try some spelling variations:
rock progressivo » iptu progressivo (Expand search), _ progressivo (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease liver » decreases liver (Expand search), decrease litter (Expand search), decrease after (Expand search)
liver decrease » litter decrease (Expand search), liver desease (Expand search), life decrease (Expand search)
decrease rock » decrease risk (Expand search), decrease toc (Expand search), decrease work (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease during decrease rock progressivo ) OR ( decrease liver decrease NOT decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease during decrease rock progressivo ) OR ( decrease liver decrease not decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during decrease rock progressivo ) OR ( decrease liver decrease not decrease ))*.